542972878 has 16 divisors (see below), whose sum is σ = 932688000. Its totient is φ = 232233336.

The previous prime is 542972873. The next prime is 542972909. The reversal of 542972878 is 878279245.

It is a happy number.

542972878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542972873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31876 + ... + 45847.

It is an arithmetic number, because the mean of its divisors is an integer number (58293000).

Almost surely, 2^542972878 is an apocalyptic number.

542972878 is a deficient number, since it is larger than the sum of its proper divisors (389715122).

542972878 is a wasteful number, since it uses less digits than its factorization.

542972878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78231.

The product of its digits is 2257920, while the sum is 52.

The square root of 542972878 is about 23301.7784299825. The cubic root of 542972878 is about 815.8169273637.

It can be divided in two parts, 54297 and 2878, that added together give a palindrome (57175).

The spelling of 542972878 in words is "five hundred forty-two million, nine hundred seventy-two thousand, eight hundred seventy-eight".